EP2118762A4 - Apparatus and method for stabilizing image sensor black level - Google Patents

Apparatus and method for stabilizing image sensor black level

Info

Publication number
EP2118762A4
EP2118762A4 EP08726425A EP08726425A EP2118762A4 EP 2118762 A4 EP2118762 A4 EP 2118762A4 EP 08726425 A EP08726425 A EP 08726425A EP 08726425 A EP08726425 A EP 08726425A EP 2118762 A4 EP2118762 A4 EP 2118762A4
Authority
EP
European Patent Office
Prior art keywords
image sensor
black level
stabilizing image
sensor black
stabilizing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP08726425A
Other languages
German (de)
French (fr)
Other versions
EP2118762A1 (en
Inventor
John Richardson
Ying Huang
John Wallner
Joey Shah
Laurent Blanquart
Roberto Marchesini
Giuseppe Rossi
Qianjiang Mao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JVCKenwood Corp
Original Assignee
Altasens Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Altasens Inc filed Critical Altasens Inc
Publication of EP2118762A1 publication Critical patent/EP2118762A1/en
Publication of EP2118762A4 publication Critical patent/EP2118762A4/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/618—Noise processing, e.g. detecting, correcting, reducing or removing noise for random or high-frequency noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
    • H04N25/633—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current by using optical black pixels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/673—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/677—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction for reducing the column or line fixed pattern noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
EP08726425A 2007-03-07 2008-03-05 Apparatus and method for stabilizing image sensor black level Ceased EP2118762A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/715,808 US7760258B2 (en) 2007-03-07 2007-03-07 Apparatus and method for stabilizing image sensor black level
PCT/US2008/002887 WO2008112104A1 (en) 2007-03-07 2008-03-05 Apparatus and method for stabilizing image sensor black level

Publications (2)

Publication Number Publication Date
EP2118762A1 EP2118762A1 (en) 2009-11-18
EP2118762A4 true EP2118762A4 (en) 2011-02-09

Family

ID=39741229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08726425A Ceased EP2118762A4 (en) 2007-03-07 2008-03-05 Apparatus and method for stabilizing image sensor black level

Country Status (4)

Country Link
US (1) US7760258B2 (en)
EP (1) EP2118762A4 (en)
JP (1) JP5260559B2 (en)
WO (1) WO2008112104A1 (en)

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See also references of WO2008112104A1 *

Also Published As

Publication number Publication date
US7760258B2 (en) 2010-07-20
EP2118762A1 (en) 2009-11-18
JP5260559B2 (en) 2013-08-14
JP2010520709A (en) 2010-06-10
US20080218615A1 (en) 2008-09-11
WO2008112104A1 (en) 2008-09-18

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